IOM #142A - Serial. Four Relay, Four Optoisolator. Two Dallas runs each of which may accommodate any mix of DS18S20, DS18B20, DS1822 thermometers, DS2438 thermometer and 10-bit A/D, DS2450 Quad A/D converter amd DS2423 dual 32-bit counter; up to sixteen devices over a maximum of 200 feet of cable per run.

TM #128 - Serial two Dallas runs each of which may accommodate any mix of DS18S20 and DS18B20 thermometers and DS2438 thermometer and 10-bit A/D, up to sixteen devices over a maximum of 200 feet of cable per run. Apr 1, '05. Upgraded to add DS2423 Dual Counter and DS2450 Quad A/D.

Protean Logic's TICkit62 - This
was a major focus by
undergraduate student Locksley Haynes during the Fall, '97 semester.
Locksley was funded and the materials he used were made possible by a
grant from the XEROX Corporation.

the Tiny Tiger - This appears
to be an extremely powerful processor. This effort was undertaken by
undergraduate student Krystal Donald during the Fall, '97 semester.

Use of a PC Printer Port for Control and Data Acquisition - Volume 2

Volume 2 is a follow on effort by undergraduate electrical engineering
students Towanda Malone, Christine Samuels and Paul Roach and myself.
This became known as the Rochanda Project, where Rochanda is a
concatenation of Roach, Christine and Towanda. As you might guess, the
name Rochanda was Towanda's idea!